Base | Representation |
---|---|
bin | 100100011101011… |
… | …1111000111100000 |
3 | 10011021002022001221 |
4 | 1020322333013200 |
5 | 10001144004212 |
6 | 321222104424 |
7 | 42213630151 |
oct | 11072770740 |
9 | 3137068057 |
10 | 1223422432 |
11 | 578654421 |
12 | 2a187b114 |
13 | 1666055cb |
14 | b86a9928 |
15 | 72615807 |
hex | 48ebf1e0 |
1223422432 has 12 divisors (see below), whose sum is σ = 2408612976. Its totient is φ = 611711200.
The previous prime is 1223422399. The next prime is 1223422433. The reversal of 1223422432 is 2342243221.
It is a junction number, because it is equal to n+sod(n) for n = 1223422397 and 1223422406.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1223422433) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19115944 + ... + 19116007.
It is an arithmetic number, because the mean of its divisors is an integer number (200717748).
Almost surely, 21223422432 is an apocalyptic number.
It is an amenable number.
1223422432 is a deficient number, since it is larger than the sum of its proper divisors (1185190544).
1223422432 is an equidigital number, since it uses as much as digits as its factorization.
1223422432 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 38231961 (or 38231953 counting only the distinct ones).
The product of its digits is 4608, while the sum is 25.
The square root of 1223422432 is about 34977.4560538642. The cubic root of 1223422432 is about 1069.5279695100.
Adding to 1223422432 its reverse (2342243221), we get a palindrome (3565665653).
The spelling of 1223422432 in words is "one billion, two hundred twenty-three million, four hundred twenty-two thousand, four hundred thirty-two".
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